Southridge Road Detention Basin
Key Takeaway
Southridge Road Detention Basin is classified as significant hazard in Iowa. It was completed in 1996 and is 30 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 5.6% in IA) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 101 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1996 (30 years old) |
| NID ID | IA04145 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Marshalltown
Local Government
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Southridge Road Detention Basin?
Southridge Road Detention Basin is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Southridge Road Detention Basin?
Southridge Road Detention Basin is owned by City of Marshalltown (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Southridge Road Detention Basin built?
Southridge Road Detention Basin was completed in 1996, making it 30 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Southridge Road Detention Basin?
Southridge Road Detention Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Southridge Road Detention Basin?
Southridge Road Detention Basin has a dam height of 18 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.